Math, asked by iammanash1234, 9 months ago

(cosec A + cot A)(cosec A - cot A)
=[1 - cosec A+ cot A]

HOW COSEC A + COT A BECOMES 1

Answers

Answered by ksp7883

1

Step-by-step explanation:

cosec^2A +cot AcosecA-cotAcosecA-cot^2 A

=cosec^2 A-cot^2A

=(1/sinA)^2-(cosA/sinA)^2

(1/sinA+cosA/sinA)(1/sinA-cosA/sinA)

{(1+cosA)(1-cosA)}/sin^2A=1

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